Citigroup (C) A faction within the company is pushing its CEO to make a bid for ABN Amro, now in exclusive takeover talks with Barclays. Any move by Citigroup would be unsolicited, and could even be perceived as hostile: Wall Street Journal.

Merck (MRK) Says the CDC has adopted unanimous recommendation of its Advisory Committee on Immunization Practices for use of Gardasil (indicated to help prevent cervical cancer) in girls and women ages 11 to 26.

Genentech (DNA) Reaffirms 25% to 30% growth in non-GAAP EPS for 2007. Expects first quarter US product sales to be flat. Aims to bring more than 30 new molecular entities into clinical development between 2006 to 2010, vs. the prior goal of 20.

Amgen (AMGN) Discontinues Vectibix treatment in a PACCE trial evaluating the addition of Vectibix to standard chemo and Avastin for treatment of metastatic colorectal cancer due to increased toxicity level, without efficacy improvement.

DaimlerChrysler (DCX) Keybanc says sources indicate Magna and private equity partner have written a joint letter of interest offering to buy the Chrysler unit for about $4.6 billion to $4.7 billion, with its supplier looking to take a 20% to 25% stake.

Avery Dennison agrees to acquire all outstanding shares of Paxar (PXR) for $30.50 each in cash; the total transaction is valued at about $1.34 billion and the deal is expected to close by year-end.